We build for
success
ABOUT COWAN BUILDING -
Blenheim and Marlborough Builders
Craftsmanship. Integrity. Over 25+ Years of Trusted Building in Marlborough.
At Cowan Building, we thrive on turning ideas into reality—whether it's a simple concept or a complex architectural design. For more than two decades, we’ve proudly delivered high-quality home builds, renovations, and leaky home repairs across Blenheim, Picton, and the greater Marlborough region.
A Trusted Name in Marlborough Construction
Based in Blenheim, New Zealand, Cowan Building has built a strong reputation for delivering exceptional building projects that blend craftsmanship, design, and functionality. We’ve had the privilege of working on some of the region’s most beautifully designed homes—offering everything from full home builds to large-scale renovations and remedial leaky home solutions.
Our Specialties
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New Home Builds – Custom-built homes designed and constructed with precision and care
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Top-Quality Renovations – Modernising and transforming spaces to suit your lifestyle
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Leaky Home Repairs – Trusted local specialists in recladding and structural restoration
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Light Commercial Construction – Small business fit-outs and functional upgrades
We work with the best in the industry, bringing together skilled professionals, trusted suppliers, and Master Builder craftsmanship to deliver projects that exceed expectations.
WHY WE DO WHAT WE DO
As a locally owned and operated company, Cowan Building takes pride in supporting Marlborough families and communities. We understand the local environment, council requirements, and what makes a home work in this region. Our projects are managed with transparency, care, and attention to detail—ensuring you enjoy the process as much as the final result.
From the very first conversation to the final walk-through, we take the stress out of your building journey. Whether you’re looking to:
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Build a new home
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Renovate your current property
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Repair a leaky home
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Manage a light commercial build
We’ll guide you through every step — planning, consents, design advice, and expert construction.
Let’s Build Your Vision
Cowan Building brings together creativity, technical knowledge, and over 20 years of experience to deliver projects that truly reflect our clients’ goals and lifestyle. No matter the size or complexity, we treat every project with the same dedication to quality, budget control, and timeline management.